<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>

<body>

<form action="login" method="post">
    账号<input type="text" name="username"><br>
    密码<input type="text" name="password" id="password"><br>
    <input type="submit" value="登录" id="loginBut">
</form>
<span style="color: red" th:text="${errorMessage}"></span>

</body>

</html>
